BE881534A - PROCESS FOR THE ORIENTED MANUFACTURE OF SILICIC ACID BY HYDROLYSIS IN THE FLAME AND PRODUCTS THUS OBTAINED - Google Patents
PROCESS FOR THE ORIENTED MANUFACTURE OF SILICIC ACID BY HYDROLYSIS IN THE FLAME AND PRODUCTS THUS OBTAINEDInfo
- Publication number
- BE881534A BE881534A BE6/47072A BE6047072A BE881534A BE 881534 A BE881534 A BE 881534A BE 6/47072 A BE6/47072 A BE 6/47072A BE 6047072 A BE6047072 A BE 6047072A BE 881534 A BE881534 A BE 881534A
- Authority
- BE
- Belgium
- Prior art keywords
- flame
- hydrolysis
- products
- silicic acid
- oriented
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
- C01B33/181—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
- C01B33/183—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by oxidation or hydrolysis in the vapour phase of silicon compounds such as halides, trichlorosilane, monosilane
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
Abstract
The controlled production of silicas by flame hydrolysis in which the thickening effect may be adjusted independently of the specific BET- surface of the silica obtained is achieved by introducing additional steam either into the reaction mixture or into the reaction flame.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792904199 DE2904199A1 (en) | 1979-02-05 | 1979-02-05 | METHOD FOR THE GUIDED PRODUCTION OF SILICON BY MEANS OF FLAME HYDROLYSIS |
Publications (1)
Publication Number | Publication Date |
---|---|
BE881534A true BE881534A (en) | 1980-08-04 |
Family
ID=6062146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE6/47072A BE881534A (en) | 1979-02-05 | 1980-02-04 | PROCESS FOR THE ORIENTED MANUFACTURE OF SILICIC ACID BY HYDROLYSIS IN THE FLAME AND PRODUCTS THUS OBTAINED |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP0015315B1 (en) |
JP (1) | JPS55104912A (en) |
AT (2) | ATE4303T1 (en) |
BE (1) | BE881534A (en) |
BR (1) | BR8000517A (en) |
CA (1) | CA1179477A (en) |
CH (1) | CH642931A5 (en) |
DE (2) | DE2904199A1 (en) |
FR (1) | FR2447887A1 (en) |
GB (1) | GB2044738B (en) |
IT (1) | IT7969244A0 (en) |
LU (1) | LU81909A1 (en) |
NL (1) | NL7908270A (en) |
SE (1) | SE8000877L (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3016010C2 (en) * | 1980-04-25 | 1985-01-10 | Degussa Ag, 6000 Frankfurt | Process for the pyrogenic production of silica |
DE3028364C2 (en) * | 1980-07-26 | 1983-07-21 | Degussa Ag, 6000 Frankfurt | Process and apparatus for the pyrogenic production of silicon dioxide |
JPS5788020A (en) * | 1980-11-14 | 1982-06-01 | Ube Ind Ltd | Manufacture of very finely grained anhydrous silica |
GB8905966D0 (en) * | 1989-03-15 | 1989-04-26 | Tsl Group Plc | Improved vitreous silica products |
DE10163939A1 (en) * | 2001-12-22 | 2003-07-10 | Degussa | Layer obtained from an aqueous dispersion containing flame-hydrolytically produced silicon-titanium mixed oxide powder |
DE10312970A1 (en) * | 2003-03-24 | 2004-10-14 | Degussa Ag | Fumed silica powder and dispersion thereof |
DE10326049A1 (en) * | 2003-06-10 | 2004-12-30 | Degussa Ag | Flame hydrolytically produced silicon dioxide, process for its production and use |
DE102005001408A1 (en) * | 2005-01-12 | 2006-07-20 | Degussa Ag | Pyrogenic silica powder |
TW201731782A (en) | 2015-12-18 | 2017-09-16 | 何瑞斯廓格拉斯公司 | Preparation of a quartz glass body in a multi-chamber oven |
EP3390304B1 (en) | 2015-12-18 | 2023-09-13 | Heraeus Quarzglas GmbH & Co. KG | Spray granulation of silicon dioxide in the production of quartz glass |
JP7044454B2 (en) | 2015-12-18 | 2022-03-30 | ヘレウス クワルツグラス ゲーエムベーハー ウント コンパニー カーゲー | Preparation of carbon-doped silicon dioxide granules as an intermediate in the preparation of quartz glass |
US11952303B2 (en) | 2015-12-18 | 2024-04-09 | Heraeus Quarzglas Gmbh & Co. Kg | Increase in silicon content in the preparation of quartz glass |
JP6881777B2 (en) | 2015-12-18 | 2021-06-02 | ヘレウス クワルツグラス ゲーエムベーハー ウント コンパニー カーゲー | Preparation of synthetic quartz glass grains |
KR20180095622A (en) | 2015-12-18 | 2018-08-27 | 헤래우스 크바르츠글라스 게엠베하 & 컴파니 케이지 | Manufacture of Silica Glass Products from Molten Crucibles Made of Refractory Metals |
JP6881776B2 (en) | 2015-12-18 | 2021-06-02 | ヘレウス クワルツグラス ゲーエムベーハー ウント コンパニー カーゲー | Preparation of opaque quartz glass body |
US10676388B2 (en) | 2015-12-18 | 2020-06-09 | Heraeus Quarzglas Gmbh & Co. Kg | Glass fibers and pre-forms made of homogeneous quartz glass |
KR20180095616A (en) | 2015-12-18 | 2018-08-27 | 헤래우스 크바르츠글라스 게엠베하 & 컴파니 케이지 | Preparation of silica glass body using dew point control in melting furnace |
KR20180094087A (en) | 2015-12-18 | 2018-08-22 | 헤래우스 크바르츠글라스 게엠베하 & 컴파니 케이지 | Preparation of Silica Glass Products from Silica Granules |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1967235A (en) * | 1931-09-08 | 1934-07-24 | Karl A Ferkel | Method and apparatus for production of metal oxides |
CH221309A (en) * | 1941-12-03 | 1942-05-31 | Hans Dr Preis | Process and device for the production of a finely divided oxide of those elements of group IVa of the periodic table which are capable of forming volatile chlorides. |
US2488440A (en) * | 1946-11-30 | 1949-11-15 | Du Pont | Titanium dioxide pigment production |
US3130008A (en) * | 1949-11-23 | 1964-04-21 | Cabot Corp | Method of preparing metallic oxides by hydrolysis of metallic halides |
DE974723C (en) * | 1950-10-02 | 1961-04-13 | Albrecht-Wolf Mantzel | Vehicle wheel with ring-shaped, elastic intermediate links |
BE508951A (en) * | 1951-02-07 | |||
DE952891C (en) * | 1954-01-23 | 1956-11-22 | Degussa | Process for the production of finely divided metal oxides and mixtures thereof |
US2990249A (en) * | 1958-10-09 | 1961-06-27 | Degussa | Process of preparing finely divided oxides by hydrolysis |
GB1211702A (en) * | 1966-12-08 | 1970-11-11 | Unilever Ltd | Fine particles |
US3660025A (en) * | 1970-07-01 | 1972-05-02 | Cities Service Co | Manufacture of pigmentary silica |
BE790704A (en) * | 1971-10-28 | 1973-02-15 | Degussa | PROCESS FOR THE MANUFACTURE OF OXIDES FINE |
CH569670A5 (en) * | 1972-09-15 | 1975-11-28 | Lonza Ag |
-
1979
- 1979-02-05 DE DE19792904199 patent/DE2904199A1/en not_active Withdrawn
- 1979-11-12 NL NL7908270A patent/NL7908270A/en not_active Application Discontinuation
- 1979-11-19 LU LU81909A patent/LU81909A1/en unknown
- 1979-11-20 IT IT7969244A patent/IT7969244A0/en unknown
- 1979-12-04 AT AT79104898T patent/ATE4303T1/en not_active IP Right Cessation
- 1979-12-04 DE DE7979104898T patent/DE2966007D1/en not_active Expired
- 1979-12-04 EP EP79104898A patent/EP0015315B1/en not_active Expired
-
1980
- 1980-01-03 FR FR8000062A patent/FR2447887A1/en active Granted
- 1980-01-28 BR BR8000517A patent/BR8000517A/en unknown
- 1980-02-04 SE SE8000877A patent/SE8000877L/en not_active Application Discontinuation
- 1980-02-04 GB GB8003648A patent/GB2044738B/en not_active Expired
- 1980-02-04 CA CA000344998A patent/CA1179477A/en not_active Expired
- 1980-02-04 CH CH88680A patent/CH642931A5/en not_active IP Right Cessation
- 1980-02-04 BE BE6/47072A patent/BE881534A/en not_active IP Right Cessation
- 1980-02-04 AT AT0060480A patent/ATA60480A/en not_active IP Right Cessation
- 1980-02-05 JP JP1215780A patent/JPS55104912A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6335567B2 (en) | 1988-07-15 |
SE8000877L (en) | 1980-08-06 |
LU81909A1 (en) | 1980-04-22 |
GB2044738B (en) | 1983-05-11 |
EP0015315B1 (en) | 1983-07-27 |
GB2044738A (en) | 1980-10-22 |
CH642931A5 (en) | 1984-05-15 |
CA1179477A (en) | 1984-12-18 |
EP0015315A1 (en) | 1980-09-17 |
ATE4303T1 (en) | 1983-08-15 |
JPS55104912A (en) | 1980-08-11 |
DE2966007D1 (en) | 1983-09-01 |
IT7969244A0 (en) | 1979-11-20 |
NL7908270A (en) | 1980-08-07 |
FR2447887A1 (en) | 1980-08-29 |
BR8000517A (en) | 1980-10-14 |
ATA60480A (en) | 1984-08-15 |
FR2447887B1 (en) | 1984-09-07 |
DE2904199A1 (en) | 1980-08-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE881534A (en) | PROCESS FOR THE ORIENTED MANUFACTURE OF SILICIC ACID BY HYDROLYSIS IN THE FLAME AND PRODUCTS THUS OBTAINED | |
DE3568155D1 (en) | Silica with a high oil-uptake and controlled primary structure, and process for the preparation thereof | |
BR8102491A (en) | SILICIC ACID OBTAINED BY PYROGENATION AND PROCESS FOR OBTAINING IT | |
NZ215808A (en) | Preparation of 7-substituted amino-1-alkyl or cycloalkyl -4-oxo-3-quinolinecarboxylic acids | |
BE883067A (en) | PROCESS FOR THE PREPARATION OF LEVULINIC ACID AND ITS ESTERS AND PRODUCTS OBTAINED | |
FR2320902A1 (en) | PROCESS FOR THE PREPARATION OF PHOSPHORIC ACID OF FOOD QUALITY AND THE ACID THUS OBTAINED | |
OA06490A (en) | Process for the purification of phosphoric acid. | |
FR2392956A1 (en) | PROCESS FOR THE PRODUCTION OF PHENYLGLYOXYLIC ACID ESTERS | |
GB1383832A (en) | Defluorination of wet process phosphoric acid | |
BE881307A (en) | PROCESS FOR THE TREATMENT OF AN IMPURE PHOSPHORIC ACID | |
BE881306A (en) | PROCESS FOR THE PURIFICATION OF AN IMPURE PHOSPHORIC ACID | |
IE901871L (en) | Process for making 2-oxindole-1-carboxamides | |
BE862865A (en) | PROCESS FOR THE PREPARATION OF ORGANOPOLYSILOXANES MODIFIED BY ACRYLIC OR METHACRYLIC ACID ESTERS, AND PRODUCTS THUS OBTAINED | |
MA18439A1 (en) | PROCESS FOR THE PREPARATION OF MONOCALCAL PHOPSPHATE AND PHOPSPHORIC ACID BY ACIDULATION OF NATURAL PHOSPHATE WITH PHOSPHORIC ACID | |
RO77279A (en) | PROCESS FOR THE PRODUCTION OF N (O-ETHYL-S-N-PROPYL) NAPHTHALIMIDES OF (DI) THIOPHOSPHORIC ACID | |
BE880913A (en) | PROCESS FOR THE PRODUCTION OF PHOSPHORIC ACID | |
BE873659A (en) | PROCESS FOR THE PRODUCTION OF 4-AMINO-BUTYRIC ACID OR ITS DERIVATIVES | |
DK162642C (en) | PROCEDURE FOR THE PREPARATION OF THIOTETRONIC ACID | |
FR2371416A1 (en) | PROCESS FOR THE PRODUCTION OF ALKYL ESTERS SUBSTITUTED WITH B-RESORCYLIC ACID | |
BR8207122A (en) | PROCESS TO PRODUCE HIGH PURITY CALCIUM PHOSPHATE | |
RO75655A2 (en) | PROCESS FOR THE PRODUCTION OF PHOSPHORIC ACID | |
BE894528A (en) | PROCESS FOR THE PRODUCTION OF ARSENIOUS ACID | |
HUT34738A (en) | Process for production of 3-hydroxi-5-methil-izoxasole | |
MX9704212A (en) | Method for deslagging a partial oxidation reactor. | |
FR1188734A (en) | Process for the production of finely divided masses, consisting mainly of calcium silicate, or of calcium silicate and silicic acid |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: DEUTSCHE GOLD- UND SILBER-SCHEIDEANSTALT VORMALS Effective date: 19850204 |